CN209153451U - Gear box and intelligent cleaning equipment - Google Patents

Gear box and intelligent cleaning equipment Download PDF

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Publication number
CN209153451U
CN209153451U CN201821694664.2U CN201821694664U CN209153451U CN 209153451 U CN209153451 U CN 209153451U CN 201821694664 U CN201821694664 U CN 201821694664U CN 209153451 U CN209153451 U CN 209153451U
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CN
China
Prior art keywords
gear
box
oiliness bearing
contact surface
recessed portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821694664.2U
Other languages
Chinese (zh)
Inventor
杨帆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Rockrobo Technology Co Ltd
Original Assignee
Beijing Rockrobo Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Rockrobo Technology Co Ltd filed Critical Beijing Rockrobo Technology Co Ltd
Priority to CN201821694664.2U priority Critical patent/CN209153451U/en
Application granted granted Critical
Publication of CN209153451U publication Critical patent/CN209153451U/en
Priority to PCT/CN2019/111765 priority patent/WO2020078441A1/en
Priority to EP19872692.9A priority patent/EP3854285A4/en
Priority to US17/232,382 priority patent/US20210228034A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0427—Gearing or transmission means therefor
    • A47L9/0433—Toothed gearings
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0455—Bearing means therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0472—Discs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/128—Porous bearings, e.g. bushes of sintered alloy
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/06—Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/047—Sliding-contact bearings for exclusively rotary movement for axial load only with fixed wedges to generate hydrodynamic pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
    • F16C17/243—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety related to temperature and heat, e.g. for preventing overheating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2314/00—Personal or domestic articles, e.g. household appliances such as washing machines, dryers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02069—Gearboxes for particular applications for industrial applications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • General Details Of Gearings (AREA)

Abstract

The utility model provides a gear box and intelligent cleaning device. The gearbox is used for intelligent cleaning equipment and comprises a rotatable component and an oil bearing. The rotatable member is rotatable about a rotation axis to transmit power, and has a contact surface. The oil-impregnated bearing is fixedly disposed and has a support surface through which the oil-impregnated bearing contacts the contact surface of the rotatable member to support the rotatable member for rotation relative to the oil-impregnated bearing. Wherein at least one of the contact surface and the support surface is provided with a recess. According to the utility model discloses a gear box is provided with the depressed part on at least one in the contact surface and the bearing surface of mutual contact and relative motion, can reduce the surface area that contact surface and bearing surface contacted each other from this to reduce effectively rotatable piece and the produced noise of oily bearing relative rotation and temperature rise.

Description

Gear-box and intelligent cleaning equipment
Technical field
The utility model relates in general to burnisher field, more particularly to a kind of gear-box and intelligent cleaning equipment.
Background technique
Existing movable-type intelligent cleaning equipment, be equipped with mostly gear-box with by the power of driving equipment by speed change it After pass to clearing apparatus, so that clearing apparatus is executed cleaning function under suitable revolving speed.In some gear-boxes, use Oiliness bearing come support the rotatable parts of such as output gear with mitigate abrasion.However, the revolving speed of usually rotatable parts is higher, have 22.5 revolutions per seconds can be reached a bit.It is biggish that high speed rotation causes the surface being in contact between rotatable parts and oiliness bearing to generate Noise and higher temperature rise, had both influenced the usage experience of user, and the service life of gear-box inner part is also caused to reduce.
Accordingly, it is desirable to provide a kind of gear-box and intelligent cleaning equipment are at least partly to solve the above problems.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more Protect range.
At least to be partially solved the above problem, the utility model provides a kind of gear-box, is used for intelligent cleaning equipment, institute Stating gear-box includes:
Rotatable part, the rotatable part can transmit power around pivot axis, and the rotatable part, which has, to be connect Touch surface；And
Oiliness bearing, the oiliness bearing are fixedly installed and have support surface, and the oiliness bearing passes through the support Surface is contacted with the contact surface of the rotatable part to support the rotatable part to rotate relative to the oiliness bearing；
Wherein, recessed portion is provided at least one of the contact surface and the support surface.
Gear-box according to the present utility model, in contact with each other the simultaneously contact surface of relative motion and support surface extremely It is provided with recessed portion on few one, it is possible thereby to reduce contact surface and surface area that support surface contacts with each other, thus effectively Ground reduces rotatable part and oiliness bearing relatively rotates generated noise and temperature rise.
Optionally, the recessed portion is set on the support surface.
Optionally, the recessed portion is set in the contact surface.
Optionally, the recessed portion is provided on the contact surface and the support surface.
Optionally, the recessed portion includes multiple and is uniformly distributed around the pivot center.
Optionally, the rotatable part is output gear, and the oiliness bearing is in the output gear along the rotation The end of axis supports the output gear.
Optionally, the output gear is plastic cement material.
Optionally, the two sides opposite along the pivot center of the output gear are each provided with the oil-containing axis It holds.
Optionally, the recessed portion includes multiple and is uniformly distributed around the pivot center.
Other side according to the present utility model also provides a kind of intelligent cleaning equipment, the intelligent cleaning equipment packet Foregoing any gear-box is included, the gear-box connects with the driving device of the intelligent cleaning equipment and cleaning brush respectively It connects, the driving force of the driving device is transferred to the cleaning brush.
Intelligent cleaning equipment according to the present utility model, gear-box contact with each other and relative motion contact surface and Recessed portion is provided at least one of support surface, it is possible thereby to reduce contact surface and table that support surface contacts with each other Area, to effectively reduce noise and temperature rise caused by rotatable part and oiliness bearing relative rotation.
Detailed description of the invention
The following drawings of the utility model embodiment is originally practical for understanding in this as a part of the utility model It is novel.Shown in the drawings of the embodiments of the present invention and its description, for explaining the principles of the present invention.In attached drawing In,
Fig. 1 is the three-dimensional view according to the intelligent cleaning equipment of an embodiment of the utility model；
Fig. 2 is the three-dimensional view of another angle of intelligent cleaning equipment shown in FIG. 1；
Fig. 3 is the decomposition view according to the gear-box of an embodiment of the utility model；
Fig. 4 and Fig. 5 is the three-dimensional view of the output gear of gear-box shown in Fig. 3；And
Fig. 6 is the schematic diagram that recessed portion is arranged on support surface and/or contact surface.
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model Solution.It will be apparent, however, to one skilled in the art that the utility model embodiment may not need one or more These a details and be carried out.In other examples, in order to avoid obscuring with the utility model embodiment, for Some technical characteristics well known in the art are not described.
In order to thoroughly understand the utility model embodiment, detailed structure will be proposed in following description.Obviously, originally The execution of utility model embodiment is not limited to the specific details that those skilled in the art is familiar with.
Gear-box according to the present utility model and intelligent cleaning equipment are illustrated referring to the drawings.It is appreciated that Intelligent cleaning equipment shown in the utility model can be sweeping robot, floor-mopping robot, sweep and drag integrated robot etc., In present embodiment, intelligent cleaning equipment is to sweep to drag integrated clean robot.
Intelligent cleaning equipment mainly includes cleaning systems, sensory perceptual system, control system, drive system, energy resource system and people Machine interactive system etc..Each mutually coordinated cooperation of system, enables intelligent cleaning equipment autonomous to realize cleaning function.Figure 1 and Fig. 2 schematically illustrates the three-dimensional view of intelligent cleaning equipment according to the present utility model.From external observation, intelligence is clear Clean equipment mainly includes equipment body 1.The function element etc. that above-mentioned each system is constituted in intelligent cleaning equipment is integrally arranged in In equipment body 1.
As depicted in figs. 1 and 2, equipment body 1 has approximate circle shape (front and back is all round) comprising upper capping 11, chassis 12 and the center 13 being arranged between upper capping 11 and chassis 12.Center 13 is as the various function element of setting Basic framework.Upper capping 11 and chassis 12 are covered each by the upper and lower surface of center 13, play the role of protecting inner components, and And promote the aesthetics of intelligent cleaning equipment.Certainly, in other embodiments, equipment body can also have other shapes, packet Include but be not limited to the approximate D-shape etc. of circle behind front.
Drive system is used to realize that cleaning function provides driving for the autonomous and cleaning systems of intelligent cleaning system Power.Sensory perceptual system perceives the external environment of such as landform etc. for intelligent cleaning equipment, and provides to control system The various positions information and movement state information of machine.Control system then judges that intelligent cleaning equipment is worked as according to these informixes It is preceding which kind of working condition (such as to cross threshold, upper carpet is located at steep cliff, either above or below, is stuck, and dirt box is full, quilt in Pick up), and specific next step action policy is provided for different situations.Further, control system can be based on immediately Figure information planning cleaning path the most efficient and rational and cleaning method, greatly improve the working efficiency of intelligent cleaning equipment.People Machine interactive system is used to carry out function selection for user and/or shows that machine is presently in state or function is selected to user Select item.The functional element work that energy resource system is then used for each system provides electric energy.
Cleaning systems are the most important core system of intelligent cleaning equipment, for realizing cleaning function comprising dry type is clear Clean portion and wet-cleaning portion.Wherein, dry cleaning portion is mainly used for cleaning the fixation particulate pollutant of the surface to be cleaned, and wet type is clear Clean portion is mainly used for wiping the surface to be cleaned (such as ground).
Specifically, dry cleaning portion mainly includes cleaning brush, dirt box and blower.As shown in Fig. 2, cleaning brush includes main brush 14 and side brush 15.Wherein, main brush 14 is with the rotary shaft substantially parallel with the plane where chassis 12 and outside from chassis 12 It is prominent.Main brush 14 and the surface to be cleaned of 12 lower section of chassis form certain interference as a result,.Side brush 15 is set to equipment body 1 Bottom margin position, rotary shaft is angled relative to ground, with for by rubbish be moved to it is main brush 14 sweeping area In domain.Blower is connected to dirt box, and blower is for wind-force needed for generating dust suction.When main brush 14 is rotated with rotary shaft, cleaned The rubbish on surface, to its suction inlet front dirt box, is then drawn into dirt by the suction that blower generates by 14 winding of main brush Storage in box.Wet-cleaning portion mainly includes liquid reserve tank and cleaning cloth.Cleaning solution is accommodated in liquid reserve tank, cleaning cloth is removably It is arranged on liquid reserve tank.After dry cleaning portion cleans completion, the liquid in the liquid reserve tank of wet-cleaning cloth flows to cleaning cloth, clearly Ground after clean cloth cleans clearing apparatus wipes.
The equipment body 1 of intelligent cleaning equipment is internally provided with gear-box 20 as shown in Figure 3.The gear-box 20 difference It is connect with the cleaning brush in dry cleaning portion in the drive motor of drive system and cleaning systems, for by the driving force of drive motor It is transferred to cleaning brush, to drive cleaning brush to rotate about axis rotation.
As shown in figure 3, gear-box 20 includes first shell 21 and second shell 22.First shell 21 and second shell 22 are total With accommodation space is constituted to accommodate other components of gear-box 20, and as the basic framework for installing these components.Gear The transmission agency of case 20 is realized by input gear and output gear 23.In the state of in installation to equipment body 1, input gear It is connect with the drive motor of drive system, the rotation axis connection of output gear 23 and the cleaning brush of for example main brush 14.Input gear Gear drive is realized by the engagement of the gear teeth between output gear, so that driving force is transferred to main brush with suitable revolving speed 14.For brevity, input gear and matched components are omitted in Fig. 3.Below will for output gear 23 into Row is introduced.
As shown in Figure 4 and Figure 5, output gear 23 includes gear body 231.231 general arrangement of gear body is oblate column Shape, its side it is circumferentially spaced be provided with it is multiple for engagement teeth.It can be seen in fig. 4 that gear body 231 along axis To one end be provided with outwardly projecting joint portion 232.The joint portion 232 from the surface of first shell 21 or second shell 22 to Outer protrusion, in order to be engaged with the rotary shaft of main brush 14.As shown in figure 5, gear body 231 is along axial direction and 232 phase of joint portion Pair side be recessed inwardly, and at center formed hole 234.It returns again to Fig. 3, gear-box 20 further includes axis 24.Axis 24 is solid Fixed to be arranged in gear-box 20,23 through hole 234 of output gear is set on axis 24, and can be rotated around axis 24.Axis 24 limits Determine the pivot center of output gear 23.In order to avoid axis 24 generates interference to the engagement of the rotary shaft at joint portion 232 and main brush 14, Hole 234 is close to the closed at one end of joint portion 232.
Output gear 23 is supported in gear-box 20 by oiliness bearing.Specifically, oiliness bearing is defeated including being respectively arranged at The first oiliness bearing 25 and the second oiliness bearing 26 along axial two sides of gear 23 out.As shown in figure 3, the first oiliness bearing 25 are located at one end for being provided with joint portion 232 of output gear 23.Wherein, joint portion 232 passes through the first oiliness bearing 25 outward It is prominent.Second oiliness bearing 26 is located at one end opposite with joint portion 232 along axial direction of output gear 23, and accommodates and the end In the recess in portion.First oiliness bearing 25 and the second oiliness bearing 26 are coaxially disposed with output gear 23.
First oiliness bearing 25 and the second oiliness bearing 26 have same structure, and difference is the size of the two not Together.Therefore only the first oiliness bearing 25 is introduced herein.It is appreciated that the structure feature of the first oiliness bearing 25 is also the same Suitable for the second oiliness bearing 26.
First oiliness bearing 25 is configured to circular ring shape, and side surface is provided at least one protrusion radially Portion 253.First oiliness bearing 25 is consolidated by the card slot cooperation on protruding portion 253 and first shell 21 or second shell 22 It is fixed.The support surface 251 that there is first oiliness bearing 25 support output gear 23 to rotate.Correspondingly, as shown in Figure 4 and Figure 5, defeated Gear 23 has the contact surface 233 contacted with support surface 251 out.In the present embodiment, output gear 23 contains with first The surface that oil bearing 25 contacts is properly termed as contact surface 233a, and the surface contacted with the second oiliness bearing is properly termed as contact table Face 233b.
In existing such gear-box, oiliness bearing and output gear are easy to produce larger during relative rotation Noise and higher temperature rise.To solve this problem, as shown in figure 3, according to the utility model, the branch of the first oiliness bearing 25 Support is provided with recessed portion 252 on surface 251.As a result, when the first oiliness bearing 25 supports output gear 23, contact surface 233a It is not contacted with the first oiliness bearing 25 at the corresponding position of recessed portion 252.It can reduce support surface 251 and contact in this way The area that surface 233a is in contact, namely reduce the area for generating friction, to effectively reduce the noise that friction generates and drop Low-temperature-rise.
Recessed portion 252 can be set multiple further to reduce contact area.It is noted, however, that multiple recess Portion 252 should be uniformly distributed around pivot center, to guarantee stable support effect, avoid generating beat during rotation.This Outside, plastic material can also be selected to make output gear 23, it is possible thereby to further reduce the noise and temperature rise that friction generates.
In the illustrated embodiment, recessed portion 252 is arranged on the support surface 251 of the first oiliness bearing 25.It can be with Understand, in other implementations, recessed portion 252 can also be arranged on the contact surface 233a of output gear 23, or Person can also be respectively provided with recessed portion 252 on contact surface 233a and support surface 251.
It should be noted that in the illustrated embodiment, four recessed portions 252 are by the support table of the first oiliness bearing 25 Face 251 is divided into discontinuous four parts.Therefore, if being also provided with recessed portion on contact surface 233a, it should make contact surface Upper corresponding with support surface 251 recessed portion of 233a (namely the recess that can be aligned during rotation with support surface 251 Portion) area be less than every portion support surface 251 area, or make it is every portion support surface 251 with recessed portion vertical It is not overlapped in the projection in the plane of pivot center, to avoid when support surface 251 turns to the position being aligned with recessed portion Falling into recessed portion leads to unstable support.Or it can also be by the recessed portion 252 on contact surface 233a and support surface 251 Being disposed as form namely contact surface 233a or support surface as shown in FIG. 6 is still to connect after recessed portion 252 is arranged Continuous surface, rather than several mutually independent parts are segmented by depressed section.
Furthermore, it is to be understood that above-mentioned output gear and the mutually matched structure of oiliness bearing are applied equally to gear-box Input gear.
Gear-box according to the present utility model and intelligent cleaning equipment are illustrated above.It is according to the present utility model Gear-box is contacting with each other and is being provided with recessed portion at least one of the contact surface of relative motion and support surface, by The surface area that this can reduce contact surface and support surface contacts with each other, to effectively reduce rotatable part and oiliness bearing Noise caused by relatively rotating and temperature rise.
Unless otherwise defined, the technology of technical and scientific term used herein and the technical field of the utility model The normally understood meaning of personnel is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limit The utility model processed.Terms such as herein presented " settings " can both indicate that a component was attached directly to another portion Part can also indicate that a component is attached to another component by middleware.It describes in one embodiment herein Feature can be applied in combination another embodiment individually or with other feature, unless this feature is in another implementation It is not suitable for or is otherwise noted in mode.
The utility model is illustrated by above embodiment, but it is to be understood that, above embodiment It is only intended to the purpose illustrated and illustrated, and is not intended to limit the invention within the scope of described embodiment.This Field technical staff it is understood that introduction according to the present utility model can also make more kinds of variants and modifications, this A little variants and modifications are all fallen within the utility model range claimed.

Claims (10)

1. a kind of gear-box, it to be used for intelligent cleaning equipment, which is characterized in that the gear-box includes:
Rotatable part, the rotatable part can transmit power around pivot axis, and the rotatable part has contact table Face；And
Oiliness bearing, the oiliness bearing are fixedly installed and have support surface, and the oiliness bearing passes through the support surface It is contacted with the contact surface of the rotatable part to support the rotatable part to rotate relative to the oiliness bearing；
Wherein, recessed portion is provided at least one of the contact surface and the support surface.
2. gear-box according to claim 1, which is characterized in that the recessed portion is set on the support surface.
3. gear-box according to claim 1, which is characterized in that the recessed portion is set in the contact surface.
4. gear-box according to claim 1, which is characterized in that be respectively provided on the contact surface and the support surface There is the recessed portion.
5. gear-box as claimed in any of claims 1 to 4, which is characterized in that the recessed portion include it is multiple simultaneously And it is uniformly distributed around the pivot center.
6. gear-box as claimed in any of claims 1 to 4, which is characterized in that the rotatable part is output gear Wheel, the oiliness bearing support the output gear in the end along the pivot center of the output gear.
7. gear-box according to claim 6, which is characterized in that the output gear is plastic cement material.
8. gear-box according to claim 6, which is characterized in that the output gear is opposite along the pivot center Two sides are each provided with the oiliness bearing.
9. gear-box according to claim 6, which is characterized in that the recessed portion includes multiple and around the rotation axis Line is uniformly distributed.
10. a kind of intelligent cleaning equipment, which is characterized in that the intelligent cleaning equipment includes according to claim 1 to any in 9 Gear-box described in one, the gear-box are connect with the driving device of the intelligent cleaning equipment and cleaning brush respectively, will The driving force of the driving device is transferred to the cleaning brush.
CN201821694664.2U 2018-10-18 2018-10-18 Gear box and intelligent cleaning equipment Active CN209153451U (en)

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PCT/CN2019/111765 WO2020078441A1 (en) 2018-10-18 2019-10-17 Gearbox and intelligent cleaning apparatus
EP19872692.9A EP3854285A4 (en) 2018-10-18 2019-10-17 Gearbox and intelligent cleaning apparatus
US17/232,382 US20210228034A1 (en) 2018-10-18 2021-04-16 Gearbox and intelligent cleaning apparatus

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US20210228034A1 (en) 2021-07-29

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